<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="theme-color" content="#000000">
    <title>React App</title>
    <script type="text/javascript">
          function setSize(){
              var html = document.getElementsByTagName("html")[0];
              var oW = document.documentElement.clientWidth;
              html.style.fontSize = oW/7.5+"px";
          }
          setSize()
          window.addEventListener("resize", setSize, false);
    </script>
  </head>
  <body>
     <div id="root"></div>
  </body>
</html>
